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30 lines
1.3 KiB
Ruby
30 lines
1.3 KiB
Ruby
require_relative '../fixtures/classes'
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describe :complex_math_sin, shared: true do
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it "returns the sine of the passed argument expressed in radians" do
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@object.send(:sin, CMath::PI).should be_close(0.0, TOLERANCE)
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@object.send(:sin, 0).should be_close(0.0, TOLERANCE)
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@object.send(:sin, CMath::PI/2).should be_close(1.0, TOLERANCE)
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@object.send(:sin, 3*Math::PI/2).should be_close(-1.0, TOLERANCE)
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@object.send(:sin, 2*Math::PI).should be_close(0.0, TOLERANCE)
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end
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it "returns the sine for Complex numbers" do
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@object.send(:sin, Complex(0, CMath::PI)).should be_close(Complex(0.0, 11.5487393572577), TOLERANCE)
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@object.send(:sin, Complex(3, 4)).should be_close(Complex(3.85373803791938, -27.0168132580039), TOLERANCE)
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end
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end
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describe :complex_math_sin_bang, shared: true do
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it "returns the sine of the passed argument expressed in radians" do
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@object.send(:sin!, CMath::PI).should be_close(0.0, TOLERANCE)
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@object.send(:sin!, 0).should be_close(0.0, TOLERANCE)
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@object.send(:sin!, CMath::PI/2).should be_close(1.0, TOLERANCE)
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@object.send(:sin!, 3*Math::PI/2).should be_close(-1.0, TOLERANCE)
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@object.send(:sin!, 2*Math::PI).should be_close(0.0, TOLERANCE)
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end
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it "raises a TypeError when passed a Complex number" do
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-> { @object.send(:sin!, Complex(4, 5)) }.should raise_error(TypeError)
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end
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end
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